Traversing device for winding machines



Sat, 12 M 3330 E KELLEY TRAVERSING DEVICE FOR WINDING MACHINES 5 Sheets-Sheet 1 Filed Nov. 18 1930 INVENTOR. fiafiazb fl/feZ/ies W m We,

ATTORNEYS.

Sam, 12, 1330 W F. E. KELLEY LQZGQQQ TRAVERSING DEVICE FOR WINDING MACHINES Filed Nov. 18 1930 3 Sheets-Sheet- 2 INV NITOR.

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pt, 12 E933, F. E. KELLEY 9 9 TRAVERSIPIG DEVICE FOR WINDING MACI'EINES Fi1ed Nov. 18, 1930 5 Sheets-Sheet 5 I VENTOR. if 0/20??? ke/k y mw- ATTORNEYS.

Patented Sept. 12, 1933 PATWENT OFFICE;

TBAVERSING DEVICE MAC FOR WINDING HINES Francis E. Kelley, Providence, R. 1., assignor to Easton and Burnham Machine Company, a corporation of Rhode Island Application November 18, 1930 Serial No. 496,410

5 Claims (01, 242-43) This invention relates to a machine for winding yarn, thread, wire or any similar strand material into a cop, cone, coil or package, and has to do particularly with the device for traversing the yarn the length of the package to deposit it evenly thereon is'helical coils, and the object of this invention is a construction by which the winding speed may be increased beyond the speed of any machine that has been practically commercially operated up to the present.

Another object of this invention is a construction of traversing apparatus which may attain high speed and be manufactured more economically than the so-called higher speed machines now in operation.

Another object of this invention is to provide such a construction that the rotating drum may be of relatively small diameter, that the machine may be run at high speeds without appreciable vibration.

Another object of the invention is the provision of a rotating member for laying -the yarn helically upon thepackage and a reciprocating member moving but a portion of the length of the package without slapping motion to guide ilzahe yarn in its travel about the rotating mem- A further object of this invention is the operation simultaneously of a plurality of guides along the entire lengtlrof the machine for directing the yarn on to the rotating members which in turn lay the yarn on the package.

A still further object of this invention is the provision of reciprocating guide rods on each side of the machine with the crank arms for operating the same oppositely positioned so that the forces developed in operating said shafts may be balanced.

With these and other objects and advantageous features in view, the invention consists of a novel arrangement of parts more fully disclosed in the detailed description following, in conjunction .with the accompanying drawings, and more particularly set forth in the appended claims.

In the drawings:-

Fig. 1 is a front elevation of'a fragmental portion of the machine illustrating two winding units; I

Fig. 2 is a top plan view of the machine illustrating two units on one side and two units on the other side operating fromthe common drive shaft .with reciprocating guides connected for balancing each other;

Fig. 3 is a diagrammatic view of the travel of theyarn taken on substantially line 3-3 of Figure 1; and

Fig. 4 is a plan view of one of the rotating members or winding drum.

Commercially winding machines have been used 3 in which various traverse motions have been employed. A reciprocating guide which traverses the entire length of the package is limited in the speed which may be attained for laying the yarn directly from this reciprocating guide onto the 5 package. A rotating drum with a helical slot therein must be of exceedingly large diameter for accomplishing its desired action for guiding the thread from one end of the package to the other, and limits the speed the machine may at- 7 tain by reason of vibration of the machine caused by high speed operation.

A winding drum of smaller diameter having a helical groove therein extending in one direction and back in the other direction and crossing at pointsv intermediate its ends has been used to overcome the disadvantages of the two types above mentioned, but in this type, expensive operations must be performed upon the rotating member in order to cause the yarn to take the desired 0 path at the crossings of the helical grooves, and further, the threading of the yarn to provide the proper lead to this helical groove is such as to cause additional mechanism necessary in threading of the machine, and additional friction to the yarn, thus limiting the speed which the machine may attain; and in order to avoid to a large extent the necessary friction used in this latter type of machine and to provide a machine which may run smoothly at materially increased speed I over that of any of the types above mentioned, I have provided a rotating member of cylindrical form having a groove of uniform depth in its peripheral surface which may be easily machined with corresponding reduction of cost, and I have provided a reciprocating rod extending along the entire length of a gang of winding units and have provided at desired paced points guides in this rod, such as a notch, through which the thread may run, and by reciprocating this rod to move these guides a portion of the length of the package,- I may direct the travel of the yarn at the crossing of the helical grooves in the desired manner, and by reciprocating the rod positively by a crank which gradually slows down the motion of the rod at the ends of its stroke and by moving the guide portion thereof but a portion of the length of the package, vibration from I reversal of the rod is not set up to detrimental effect in the machine; and the following is a detailed description of the present embodiment of this invention illustrating the preferred means by which these advantageous results may be accomplished.

With reference to the drawings, 10 designates the frame of the machine suitably supported by legs 11, not fully shown in Figure 1, upon which gangs of winding units are mounted, each gang being operated in unison. Bearings 13 are positioned at spaced intervals along the frame 10 through which the shaft 12 extends, and between bearings 13, a rotating member 14 is mounted onthe shaft 12 to rotate therewith, which constitutes in the present illustration the driving means for the package 15 which is mounted to have its surface in contact therewith, although packages having independent driving means may be used and operated in connection with the present invention. i

The package 15 of each unit is independently supported on a rod 16 extending from the arm 17 which may swing about the support 18 permitting the package 15 to raise as the wound yarn is received and accumulates thereon, increasing its size, it being understood that the package '15'is rotated about the spindle 16 by frictional surface contact with the rotating member 14.

The yarn 19 for each package is supplied from bobbin 20 mounted upon ,a rail 21 extending the length of themachine, there being one bobbin for each winding unit. The yarn is led from the bobbin 20 to the package 15 through a tensioning device 21 consisting of a pair of disks with lever 22 pivoted at 23 and weighted at 24,

supplyingthe desired tension thereon, and in order that the. yarn may traverse the length of the package, which may be of conical or other form, a helical groove 25 is cut in the peripheral surface of the drum or rotating member 14 to extend a plurality of times about the member from one end to the other and return. The pitch is such in the present case that the travel is twice about the member in each direction, forming one .point of crossing 26 of the groove on one side and two points crossing 27 of the groove on the opposite side of the member. The groove which travels from end a to end .1) of the drum, as illustrated in Figure 4, is designated 25, while the groove which traverses the opposite direction is designated 28, thus the yarn as it lays in the roove will be directed axially along'the surface of the package from one end to the other as the driving and guiding member 14 rotates.

The distance between the bobbin and the traverse drum 14 will be so close that the angle at which the yarn 19will lead to the helical groove will preclude the thread from properly traveling the desired groove at the cross-overs 26 and 27, and consequently, it is necessary that some means be supplied to guide the thread at these positions. In order that the thread may be positively led in the desired path at the cross-overs 26 and 27, I have provided a rod 29 and reciprocated it by means of crank 30 and connecting rod 31 from the drive shaft 32 of the machine. The guide is formed by notching the rod as at 33 and causing the yarn 19 to be led through this guide or notch 33 so that by movement thereof along the package at the points of cross-over, it may be properly directed to follow the desired helical portion of the groove. The timing of the movement of the rod 29 isjsuch that the guide or notch 33 will be ahead of the yarn at the time of cross-over when traveling in either direction so as to lead the yamin the desired helical groove.

as illustrated in Figure 1. The position of rod 29 is in front of and axially below the axis of the drive rolla distance sufllcient to minimize any variation of angle due to the variation between the helical groove and operation of the crank for the rod 29.

The operation of the crank is such that the movement of the rod will slow down at the ends of the stroke and attain its maximum speed at the middle of its travel, thus by the use of this crank all slap due to the travel of a member in a cam groove is eliminated. It is not necessary that the guide or notch 33 travel the entire length of the package or helical groove, and thus its speed need not be as great as where acting to lay the thread upon the package direct.

Further,.the rod 29 not only acts for one unit, but extends. along a gang of units with notches 33 similarly located with reference to each unit which it serves, the reciprocation of therod acts as a guide to all of the units of the entire.

gang, thus simplifying the mechanism necessary. As will be seen, the rod 29 is operated from the drive shaft and thus is in time with the operation of the shaft 12 upon which the helically grooved rotating members operate.

Machines of this character are operated along two sides of the machine, the parts being arranged in duplicate along each side, as illustrated in Figure 2, and thus by arranging the crank arms 30 to extend in diametrically opposite directions, the throw or impulse of movement in one direction is opposite to the throw or impulse of movement of the opposite rod to neutralize or balance any action tending toward vibration, and thus making a smooth running machine. I

From the illustration of Figure 3, it will be observed that the yarn is led directly from the bobbin 20 through a friction device 21 across the guide rod 29 to the rotating drum 14 and package 15 without any sharp bends or reverses of direction thereof, which may be accomplished by reason of the positive traverse guide to lay the yarn in the proper groove on the rotating member and by eliminating all sharp bends or reverses of direction, an increased speed of the apparatus may be attained beyond the speed attained by any machine heretofore in commercial use.

In order that the traverse rod 29 may properly operate with reference to the helical drum, it should-be a distance from the helical drum in substantially the location illustrated in Figure 3 with reference to the size therein shown.

While I have described certain construction forms which embody the principles of my invention, it is obvious that other desired changes in arrangement may be made within the spirit and the scope of the invention as defined in the appended claims.

I claim:

1. In a cone winding machine, a plurality of packages for receiving the wound yarn, a plurality of cylindrical driving and guiding drums, one

engaging each of said packages, and each haviving package, positioned at a point with a plurality of distinct guide surfaces positioned to be in each of the lines of travel of the yarn from the supply package to the drum, and means for simultaneously moving said guide means to lead each of the different yarns at the crossings of said helices that the yarn may take the desired path of travel therein.

2. In a cone winding machine, a. plurality of packages for receiving the wound yarn, a plurality of aligned cylindrical driving and guiding drums, one engaging each of said packages, and each having oppositely directed helical grooves crossing each other, the grooves of each drum v being of substantially a uniform depth throughout their length, a plurality of supply packages, one for each receiving package, positioned below said drums and from which the yarn leads to said helical grooves, a reciprocable rod mounted for movement in a line substantially parallel to the axis of said drums and provided with a plurality of separate pairs of guide surfaces positioned to be in each of the lines of travel of the yarn from the supply package to the drum, and a crank for reciprocating said member to simultaneously lead each of the different yarns at the crossings of said helices that the yarn may take the desired path of travel therein. v

3. In a winding machine, a package for receiving the wound yarn, a driving and guiding drum having oppositely directed helical grooves crossing each other at points spaced from the ends of said drum for receiving and traversing the yarn along said package; a reciprocating yarn as j guide for said guidingdrum mounted for movement in the line of travel of the yarn, means for reciprocating said guide to guide the yarn in advance of the crossings of the grooves and with a traverse of less length than the traverse imparted by the drum.

4. In a winding machine, a package for receiving the wound yarn, a driving and guiding drum having oppositely directed helical grooves crossing each other for receiving and traversing the yarn along said package, a reciprocating yarn guide for said guiding drum mounted for movement in the line of travel of the yarn, means for reciprocating said guide with a difierential motion to guide the yarn in advance of the crossings of the grooves and with its motion retarded at the ends of its traverse.

5. In a winding machine, a package for receiving the wound yarn, a driving and guiding drum having oppositely directed helical grooves crossing each other at points spaced from the ends of said drum for receiving and traversing the yarn along said package, a reciprocating yarn guide for said guiding drum mounted for movement in the line of travel 01' the yarn, crank motion producing means for reciprocating said guide to guide the yarn in advance of the crossings of the grooves and with a traverse of less length than the traverse imparted by the drum whereby the motion 01 the reciprocating yarn guide is retarded at the ends or its traverse.

IRANCIB E. KEILEY. 

